Walker MC19 manual Blades in Maintenance Instructions

Assembly Instructions

CHECK FUNCTION OF OIL PRESSURE WARNING HORN

Turn ignition key to the RUN position. The oil pres- sure horn should signal, indicating normal function.

CHECK FUNCTION OF SAFETY INTERLOCK SWITCHES

Refer to Operating Instructions to check for proper operation of safety switches, both during engine starting and with the operator leaving the seat with tractor moving forward or with the mower blades en- gaged.

CHECK AND CLEAN GRASS BUILDUP UN- DERNEATH MOWER DECK (and inside GHS blower)

Refer to CLEANING the GHS Blower in Mainte- nance Instructions for blower cleaning information.

DANGER

Never operate cutter blades with deck in raised position because it is hazardous.

The tilt-up deck can be secured in the raised posi- tion by unlocking the deck lock levers on each side of the carrier frame and inserting the deck hook into the tilt-up latch on the tractor body. Before operating the tractor, make sure to re-engage the deck lock levers after lowering the deck to the normal operat- ing position.

Tilt-Up Hook and

Latch Connected

Tilt-Up

Latch

Tilt-Up

Hook

Deck Lock Lever

Deck Secured in TILT-UP Position

CAUTION

Do not operate machine with deck tilt-up pivot joint unlocked.

DANGER

Do not operate the mower with deck in tilt- up position. Do not move the tractor with the deck in the tilt-up position.

CHECK MOWER BLADE CONDITION, SHARPNESS, BALANCE, AND SECURITY OF MOUNTING

The blade mounting nuts on gear driven decks should be torqued to 60 lb·ft (81 N·m), and the blade mount- ing bolts on belt driven decks torqued to 70 lb·ft (95 N·m). If blade sharpening is required, refer to CHECKING/SERVICING for Sharpen Mower

Blades in Maintenance Instructions.

ADJUST MOWER CUTTING HEIGHT, IF RE- QUIRED

Position the hitch pins in the four deck support pins. Refer to the “Cutting Height Adjustment” decal on the deck gearbox cover.

CHECK TIRE PRESSURE

Deck Caster Wheel = 20 PSI (137 kPa)

Drive	=	15 PSI (103 kPa)
Rear	=	20 PSI (137 kPa)

CHECK SECURITY OF DRIVE WHEEL BOLTS

The eight (8) lug bolts mounting the drive tires should each be torqued to 75 to 85 lb·ft (102 to 115 N·m).

PERFORM ANY ADDITIONAL PROCEDURES called for on the MAINTENANCE SCHEDULE CHART in Maintenance Instructions.

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